Finding the Fourth Proportional to 278,964.26, 418,422.63 and 110,438.75
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Solution
The fourth proportional to 278,964.26, 418,422.63 and 110,438.75 is: 165,648.72
Step by Step Solution
- Step 1: Write the proportion equation
278,964.26 : 418,422.63 = 110,438.75 : x - Step 2: Convert to fraction form
278,964.26/418,422.63 = 110,438.75/x - Step 3: Cross multiply
278,964.26x = 418,422.63 × 110,438.75 - Step 4: Simplify right side
278,964.26x = 46,210,072,228.91 - Step 5: Solve for x
x = 46,210,072,228.91/278,964.26 - Step 6: Final answer
x = 165,648.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.